value1: a filter value -or- special date field value -or- Array of values for select/multiselect fields - (The value1 argument is optional, depending on which operator was used.)

value2: a secondary filter value -or- special date field value for between/within style operators * lastbusinessweek - (The value2 argument is optional, depending on which operator was used. See the SuiteScript Reference Guide for a list of possible operators. )

When searching on checkbox fields, use the is operator with a T or F value to search for checked or unchecked fields, respectively.